The best times to visit Trumbull for ideal weather are

May 7th to July 8th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Trumbull Travel Info

Weather in Trumbull

Temperature

Average temperatures in Trumbull vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 25th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Trumbull, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 86.1°F (30.1°C) with temperatures rarely dropping below 68.4°F (20.2°C) at night.

Trumbull Temperatures (Fahrenheit)

Key
High
Average
Low

Trumbull Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Trumbull Perceived Temperature (F)

Key
High
Average
Low

Trumbull Perceived Temperature (C)

Key
High
Average
Low

 

Average Trumbull Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 40 30.9 21.7
Feb 40.6 31 22
Mar 50.1 39.3 30.1
Apr 61.4 49.9 40.5
May 71.7 60.2 50.9
Jun 79.7 69 60.4
Jul 85.4 75.6 67.1
Aug 83.3 74 65.1
Sep 77.7 68.1 59.2
Oct 67.1 57.2 48.1
Nov 55.8 46.3 37.4
Dec 46.8 37.9 29.8

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 4.4 -0.6 -5.7
Feb 4.8 -0.6 -5.6
Mar 10.1 4.1 -1.1
Apr 16.3 9.9 4.7
May 22.1 15.7 10.5
Jun 26.5 20.6 15.8
Jul 29.7 24.2 19.5
Aug 28.5 23.3 18.4
Sep 25.4 20.1 15.1
Oct 19.5 14 8.9
Nov 13.2 7.9 3
Dec 8.2 3.3 -1.2

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Trumbull are September, November, and then July. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late August to early September. For example, on the week of August 27th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early June with an average of 3 days of significant precipitation the week of June 4th.

When can you find snow in Trumbull? Weather stations report very large amounts of snow likely to be deepest around February, especially close to early February. The best time to ski (if at all) in Trumbull is often around around February 12th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Trumbull.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Trumbull (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 22% 5.4 3
Feb 26% 8.6 3.9
Mar 23% 5.8 4.5
Apr 23% 0 3.8
May 23% 0 3.5
Jun 31% 0 5.5
Jul 20% 0 3.2
Aug 21% 0 3.6
Sep 17% 0 4
Oct 22% 3.9 3
Nov 20% 7.1 2.6
Dec 30% 3.9 5.8

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 22 13.7 7.6
Feb 26 21.8 9.9
Mar 23 14.7 11.4
Apr 23 0 9.7
May 23 0 8.9
Jun 31 0 14
Jul 20 0 8.1
Aug 21 0 9.1
Sep 17 0 10.2
Oct 22 9.9 7.6
Nov 20 18 6.6
Dec 30 9.9 14.7

 

Humidity and Wind

Trumbull has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is March (49.3% relative humidity), and the most humid month is June (63.3%).

Wind in Trumbull is usually moderate. The windiest month is March, followed by April and February. March’s average wind speed of around 8.4 knots (9.6 MPH or 15.5 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid February where average top sustained speeds reach 16.5 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Trumbull.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 7.8 Gentle breeze 14.7 Significant breeze
Feb 8.2 Gentle breeze 15.3 Significant breeze
Mar 8.4 Gentle breeze 15.4 Significant breeze
Apr 8.3 Gentle breeze 15.7 Significant breeze
May 7.1 Gentle breeze 13.6 Significant breeze
Jun 6.6 Light breeze 13.1 Significant breeze
Jul 6.3 Light breeze 12.5 Significant breeze
Aug 6.2 Light breeze 11.9 Significant breeze
Sep 7 Gentle breeze 12.6 Significant breeze
Oct 7.6 Gentle breeze 14.1 Significant breeze
Nov 7.5 Gentle breeze 13.8 Significant breeze
Dec 7.8 Gentle breeze 14.7 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 50.7%
Feb 50.1%
Mar 49.3%
Apr 51.1%
May 59.5%
Jun 63.3%
Jul 62%
Aug 61.7%
Sep 61.6%
Oct 59.6%
Nov 54.6%
Dec 58.4%

 

Is it Safe to Travel to Trumbull?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Trumbull, CT, US is April, followed by July and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Trumbull in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 26.9 in November means 26.9% of the tourists vs. April.

 

 

Overall Trumbull Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 79.2°F (26.2°C) and 42.7°F (5.9°C) with far warmer temperatures in the later months. Rain is somewhat common with roughly 7 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see moderate precipitation with 6 to 9 days of precipitation per month. June – August is the busiest season for tourism in Trumbull, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 82°F (27.8°C) and 51.8°F (11°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 5 to 7 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in Trumbull to be enjoyable for warm weather travelers. The average high during this season is between 48.3°F (9.1°C) and 36.6°F (2.6°C). On average, it rains or snows a fair amount: 7 to 9 times per month. These times of year are fairly slow with tourists.

 

Best Times to Travel› the United States › Trumbull, CT, US